--optimize-fallthru and --dump-fallthru-info options.
Chris Pressey
4 years ago
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* Accessing zero-page with `ld` and `st` generates zero-page opcodes.
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* A `byte` or `word` table can be initialized with a list of constants.
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* Branching and repeating on the `n` flag is now supported.
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* The `--dump-fallthru-map` option outputs a map, in JSON format, of
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which routines can be "fallen through" to by other routines.
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* The `--optimize-fallthru` option causes the program to be analyzed
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for fallthru optimizations; `--dump-fallthru-info` option outputs the
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information from this analysis phase, in JSON format, to stdout.
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* Specifying multiple SixtyPical source files will produce a single
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compiled result from their combination.
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* Rudimentary support for Atari 2600 prelude in a 4K cartridge image,
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analyzer = Analyzer(debug=options.debug)
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analyzer.analyze_program(program)
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if options.dump_fallthru_map:
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import json
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if options.optimize_fallthru:
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from sixtypical.fallthru import FallthruAnalyzer
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fa = FallthruAnalyzer(debug=options.debug)
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fa.analyze_program(program)
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sys.stdout.write(json.dumps(fa.fallthru_map, indent=4, sort_keys=True))
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sys.stdout.write("\n")
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if options.dump_fallthru_info:
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import json
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sys.stdout.write(json.dumps(fa.fallthru_map, indent=4, sort_keys=True))
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sys.stdout.write("\n")
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if options.analyze_only:
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return
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help="Only parse and analyze the program; do not compile it."
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)
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argparser.add_argument(
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"--dump-fallthru-map",
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"--optimize-fallthru",
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action="store_true",
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help="Dump the fallthru map to stdout after analyzing the program."
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help="Reorder the routines in the program to maximize the number of tail calls "
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"that can be removed by having execution 'fall through' to the next routine."
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)
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argparser.add_argument(
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"--dump-fallthru-ordering",
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"--dump-fallthru-info",
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action="store_true",
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help="Dump the fallthru ordering to stdout after analyzing the program."
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help="Dump the fallthru map and ordering to stdout after analyzing the program."
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)
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argparser.add_argument(
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"--parse-only",
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[Falderal]: http://catseye.tc/node/Falderal
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-> Functionality "Dump fallthru map of SixtyPical program" is implemented by
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-> shell command "bin/sixtypical --analyze-only --dump-fallthru-map --traceback %(test-body-file)"
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-> Functionality "Dump fallthru info for SixtyPical program" is implemented by
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-> shell command "bin/sixtypical --optimize-fallthru --dump-fallthru-info --analyze-only --traceback %(test-body-file)"
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-> Tests for functionality "Dump fallthru map of SixtyPical program"
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-> Tests for functionality "Dump fallthru info for SixtyPical program"
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A single routine, obviously, falls through to nothing and has nothing fall
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through to it.
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